Posterior Cricoarytenoid
Abducts and laterally rotates cartilage, pulling vocal ligaments away from midline and forward and so opening rima glottidis. Located in the head.
- Actions
- abducts and laterally rotates cartilage, pulling vocal ligaments away from midline and forward and so opening rima glottidis
- Origin
- posterior part of cricoid cartilage
- Insertion
- muscular process of arytenoid cartilage
- Innervation
- vagus nerve [CNX], recurrent laryngeal nerve
Antagonists Lateral Cricoarytenoid